Question

9y2 – 12xy + 4y2; 16k2 – 40k + 25; 4n2 + 52mn + 169m2;

Answer 1

Ответ:

Пошаговое объяснение:

9х2 – 12xy + 4y2=(3х-2у)^2

16k2 – 40k + 25=(4к-5)^2

4n2 + 52mn + 169m2=(2n+13m)^2

Answer 2

The given expressions are:

1. 9y² – 12xy + 4y²
2. 16k² – 40k + 25
3. 4n² + 52mn + 169m²

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